125126247 has 8 divisors (see below), whose sum is σ = 166892400. Its totient is φ = 83388800.

The previous prime is 125126237. The next prime is 125126249. The reversal of 125126247 is 742621521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125126247 - 2⁴ = 125126231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125126249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6997 + ... + 17297.

It is an arithmetic number, because the mean of its divisors is an integer number (20861550).

Almost surely, 2^125126247 is an apocalyptic number.

125126247 is a deficient number, since it is larger than the sum of its proper divisors (41766153).

125126247 is a wasteful number, since it uses less digits than its factorization.

125126247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14353.

The product of its digits is 6720, while the sum is 30.

The square root of 125126247 is about 11185.9844001322. The cubic root of 125126247 is about 500.1682726956.

Adding to 125126247 its reverse (742621521), we get a palindrome (867747768).

The spelling of 125126247 in words is "one hundred twenty-five million, one hundred twenty-six thousand, two hundred forty-seven".